Conventional polyethylene is not used much in total hip arthroplasty(THA);it has been supplanted by oxidation-resistant cross-linked polyethylene(≥50 kGy irradiation).However,studies persist that de-emphasize or igno...Conventional polyethylene is not used much in total hip arthroplasty(THA);it has been supplanted by oxidation-resistant cross-linked polyethylene(≥50 kGy irradiation).However,studies persist that de-emphasize or ignore cross-linked polyethylene.A se-lective literature review is used briefly to present the early use of conventional poly-ethylene and its implication in wear particle-induced osteolysis leading to premature revision surgeries.The current situation is established based on Australian registry data and other studies that advocate the use of cross-linked polyethylene in preference to conventional polyethylene.Although some studies suggest caution in using cross-linked polyethylene,overall it is strongly supported.In the author’s opinion,cross-linked polyethylene is the new reference standard bearing material in THA.展开更多
1JOHN B.MEDLEY Professor Duncan Dowson had a major influence on my life,both personal and professional.He supervised my PhD,collaborated with me on setting up the Leeds-Waterloo Stu-dent Exchange Program and co-author...1JOHN B.MEDLEY Professor Duncan Dowson had a major influence on my life,both personal and professional.He supervised my PhD,collaborated with me on setting up the Leeds-Waterloo Stu-dent Exchange Program and co-authored academic papers with me.During my PhD studies,he even,indirectly,found me a wife(Judith Dowling)who came from his research group.Duncan always took an interest in my career,my ideas and my life.He was my friend.I have tried,in this short rendition of stories and anecdotes,to convey the essence of my personal interactions with Duncan.展开更多
文摘Conventional polyethylene is not used much in total hip arthroplasty(THA);it has been supplanted by oxidation-resistant cross-linked polyethylene(≥50 kGy irradiation).However,studies persist that de-emphasize or ignore cross-linked polyethylene.A se-lective literature review is used briefly to present the early use of conventional poly-ethylene and its implication in wear particle-induced osteolysis leading to premature revision surgeries.The current situation is established based on Australian registry data and other studies that advocate the use of cross-linked polyethylene in preference to conventional polyethylene.Although some studies suggest caution in using cross-linked polyethylene,overall it is strongly supported.In the author’s opinion,cross-linked polyethylene is the new reference standard bearing material in THA.
文摘1JOHN B.MEDLEY Professor Duncan Dowson had a major influence on my life,both personal and professional.He supervised my PhD,collaborated with me on setting up the Leeds-Waterloo Stu-dent Exchange Program and co-authored academic papers with me.During my PhD studies,he even,indirectly,found me a wife(Judith Dowling)who came from his research group.Duncan always took an interest in my career,my ideas and my life.He was my friend.I have tried,in this short rendition of stories and anecdotes,to convey the essence of my personal interactions with Duncan.
